Home / 105,289.24-145,306.18-59,360.22

Finding the Fourth Proportional to 105,289.24, 145,306.18 and 59,360.22

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Solution

The fourth proportional to 105,289.24, 145,306.18 and 59,360.22 is: 81,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,289.24 : 145,306.18 = 59,360.22 : x
  2. Step 2: Convert to fraction form
    105,289.24/145,306.18 = 59,360.22/x
  3. Step 3: Cross multiply
    105,289.24x = 145,306.18 × 59,360.22
  4. Step 4: Simplify right side
    105,289.24x = 8,625,406,812.16
  5. Step 5: Solve for x
    x = 8,625,406,812.16/105,289.24
  6. Step 6: Final answer
    x = 81,921.07

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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.