Home / 105,117.12-145,048.86-59,800.86

Finding the Fourth Proportional to 105,117.12, 145,048.86 and 59,800.86

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Solution

The fourth proportional to 105,117.12, 145,048.86 and 59,800.86 is: 82,517.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,117.12 : 145,048.86 = 59,800.86 : x
  2. Step 2: Convert to fraction form
    105,117.12/145,048.86 = 59,800.86/x
  3. Step 3: Cross multiply
    105,117.12x = 145,048.86 × 59,800.86
  4. Step 4: Simplify right side
    105,117.12x = 8,674,046,570.02
  5. Step 5: Solve for x
    x = 8,674,046,570.02/105,117.12
  6. Step 6: Final answer
    x = 82,517.92

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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.