Home / 90,153.14-124,369.44-58,332.29

Finding the Fourth Proportional to 90,153.14, 124,369.44 and 58,332.29

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Solution

The fourth proportional to 90,153.14, 124,369.44 and 58,332.29 is: 80,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,153.14 : 124,369.44 = 58,332.29 : x
  2. Step 2: Convert to fraction form
    90,153.14/124,369.44 = 58,332.29/x
  3. Step 3: Cross multiply
    90,153.14x = 124,369.44 × 58,332.29
  4. Step 4: Simplify right side
    90,153.14x = 7,254,754,241.22
  5. Step 5: Solve for x
    x = 7,254,754,241.22/90,153.14
  6. Step 6: Final answer
    x = 80,471.45

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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.