Home / 103,547.46-155,291.10-40,353.48

Finding the Fourth Proportional to 103,547.46, 155,291.10 and 40,353.48

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Solution

The fourth proportional to 103,547.46, 155,291.10 and 40,353.48 is: 60,518.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,547.46 : 155,291.10 = 40,353.48 : x
  2. Step 2: Convert to fraction form
    103,547.46/155,291.10 = 40,353.48/x
  3. Step 3: Cross multiply
    103,547.46x = 155,291.10 × 40,353.48
  4. Step 4: Simplify right side
    103,547.46x = 6,266,536,298.03
  5. Step 5: Solve for x
    x = 6,266,536,298.03/103,547.46
  6. Step 6: Final answer
    x = 60,518.49

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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.