Home / 90,186.01-124,402.47-59,559.38

Finding the Fourth Proportional to 90,186.01, 124,402.47 and 59,559.38

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Solution

The fourth proportional to 90,186.01, 124,402.47 and 59,559.38 is: 82,156.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,186.01 : 124,402.47 = 59,559.38 : x
  2. Step 2: Convert to fraction form
    90,186.01/124,402.47 = 59,559.38/x
  3. Step 3: Cross multiply
    90,186.01x = 124,402.47 × 59,559.38
  4. Step 4: Simplify right side
    90,186.01x = 7,409,334,807.11
  5. Step 5: Solve for x
    x = 7,409,334,807.11/90,186.01
  6. Step 6: Final answer
    x = 82,156.15

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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.