Home / 63,421.49-87,522.29-38,266.13

Finding the Fourth Proportional to 63,421.49, 87,522.29 and 38,266.13

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Solution

The fourth proportional to 63,421.49, 87,522.29 and 38,266.13 is: 52,807.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,421.49 : 87,522.29 = 38,266.13 : x
  2. Step 2: Convert to fraction form
    63,421.49/87,522.29 = 38,266.13/x
  3. Step 3: Cross multiply
    63,421.49x = 87,522.29 × 38,266.13
  4. Step 4: Simplify right side
    63,421.49x = 3,349,139,327.04
  5. Step 5: Solve for x
    x = 3,349,139,327.04/63,421.49
  6. Step 6: Final answer
    x = 52,807.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.