Home / 62,623.95-86,454.32-42,587.79

Finding the Fourth Proportional to 62,623.95, 86,454.32 and 42,587.79

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Solution

The fourth proportional to 62,623.95, 86,454.32 and 42,587.79 is: 58,793.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,623.95 : 86,454.32 = 42,587.79 : x
  2. Step 2: Convert to fraction form
    62,623.95/86,454.32 = 42,587.79/x
  3. Step 3: Cross multiply
    62,623.95x = 86,454.32 × 42,587.79
  4. Step 4: Simplify right side
    62,623.95x = 3,681,898,211.81
  5. Step 5: Solve for x
    x = 3,681,898,211.81/62,623.95
  6. Step 6: Final answer
    x = 58,793.77

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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.