Home / 90,458.90-124,751.57-56,470.52

Finding the Fourth Proportional to 90,458.90, 124,751.57 and 56,470.52

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Solution

The fourth proportional to 90,458.90, 124,751.57 and 56,470.52 is: 77,878.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,458.90 : 124,751.57 = 56,470.52 : x
  2. Step 2: Convert to fraction form
    90,458.90/124,751.57 = 56,470.52/x
  3. Step 3: Cross multiply
    90,458.90x = 124,751.57 × 56,470.52
  4. Step 4: Simplify right side
    90,458.90x = 7,044,786,058.24
  5. Step 5: Solve for x
    x = 7,044,786,058.24/90,458.90
  6. Step 6: Final answer
    x = 77,878.31

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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.