Home / 56,938.60-85,407.90-42,176.35

Finding the Fourth Proportional to 56,938.60, 85,407.90 and 42,176.35

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Solution

The fourth proportional to 56,938.60, 85,407.90 and 42,176.35 is: 63,264.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,938.60 : 85,407.90 = 42,176.35 : x
  2. Step 2: Convert to fraction form
    56,938.60/85,407.90 = 42,176.35/x
  3. Step 3: Cross multiply
    56,938.60x = 85,407.90 × 42,176.35
  4. Step 4: Simplify right side
    56,938.60x = 3,602,193,483.17
  5. Step 5: Solve for x
    x = 3,602,193,483.17/56,938.60
  6. Step 6: Final answer
    x = 63,264.53

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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.