Home / 61,931.16-85,466.34-38,044.08

Finding the Fourth Proportional to 61,931.16, 85,466.34 and 38,044.08

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Solution

The fourth proportional to 61,931.16, 85,466.34 and 38,044.08 is: 52,501.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,931.16 : 85,466.34 = 38,044.08 : x
  2. Step 2: Convert to fraction form
    61,931.16/85,466.34 = 38,044.08/x
  3. Step 3: Cross multiply
    61,931.16x = 85,466.34 × 38,044.08
  4. Step 4: Simplify right side
    61,931.16x = 3,251,488,276.27
  5. Step 5: Solve for x
    x = 3,251,488,276.27/61,931.16
  6. Step 6: Final answer
    x = 52,501.65

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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.