Home / 115,106.69-172,683.45-48,547.06

Finding the Fourth Proportional to 115,106.69, 172,683.45 and 48,547.06

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Solution

The fourth proportional to 115,106.69, 172,683.45 and 48,547.06 is: 72,830.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,106.69 : 172,683.45 = 48,547.06 : x
  2. Step 2: Convert to fraction form
    115,106.69/172,683.45 = 48,547.06/x
  3. Step 3: Cross multiply
    115,106.69x = 172,683.45 × 48,547.06
  4. Step 4: Simplify right side
    115,106.69x = 8,383,273,376.45
  5. Step 5: Solve for x
    x = 8,383,273,376.45/115,106.69
  6. Step 6: Final answer
    x = 72,830.46

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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.