Home / 90,070.73-124,250.58-56,073.81

Finding the Fourth Proportional to 90,070.73, 124,250.58 and 56,073.81

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Solution

The fourth proportional to 90,070.73, 124,250.58 and 56,073.81 is: 77,352.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,070.73 : 124,250.58 = 56,073.81 : x
  2. Step 2: Convert to fraction form
    90,070.73/124,250.58 = 56,073.81/x
  3. Step 3: Cross multiply
    90,070.73x = 124,250.58 × 56,073.81
  4. Step 4: Simplify right side
    90,070.73x = 6,967,203,415.31
  5. Step 5: Solve for x
    x = 6,967,203,415.31/90,070.73
  6. Step 6: Final answer
    x = 77,352.59

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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.