Home / 115,547.10-173,320.65-40,666.65

Finding the Fourth Proportional to 115,547.10, 173,320.65 and 40,666.65

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Solution

The fourth proportional to 115,547.10, 173,320.65 and 40,666.65 is: 60,999.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,547.10 : 173,320.65 = 40,666.65 : x
  2. Step 2: Convert to fraction form
    115,547.10/173,320.65 = 40,666.65/x
  3. Step 3: Cross multiply
    115,547.10x = 173,320.65 × 40,666.65
  4. Step 4: Simplify right side
    115,547.10x = 7,048,370,211.32
  5. Step 5: Solve for x
    x = 7,048,370,211.32/115,547.10
  6. Step 6: Final answer
    x = 60,999.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.