Home / 90,589.29-124,807.51-70,100.90

Finding the Fourth Proportional to 90,589.29, 124,807.51 and 70,100.90

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Solution

The fourth proportional to 90,589.29, 124,807.51 and 70,100.90 is: 96,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,589.29 : 124,807.51 = 70,100.90 : x
  2. Step 2: Convert to fraction form
    90,589.29/124,807.51 = 70,100.90/x
  3. Step 3: Cross multiply
    90,589.29x = 124,807.51 × 70,100.90
  4. Step 4: Simplify right side
    90,589.29x = 8,749,117,803.22
  5. Step 5: Solve for x
    x = 8,749,117,803.22/90,589.29
  6. Step 6: Final answer
    x = 96,580.05

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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.