Home / 107,070.19-147,750.69-59,320.69

Finding the Fourth Proportional to 107,070.19, 147,750.69 and 59,320.69

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Solution

The fourth proportional to 107,070.19, 147,750.69 and 59,320.69 is: 81,859.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,070.19 : 147,750.69 = 59,320.69 : x
  2. Step 2: Convert to fraction form
    107,070.19/147,750.69 = 59,320.69/x
  3. Step 3: Cross multiply
    107,070.19x = 147,750.69 × 59,320.69
  4. Step 4: Simplify right side
    107,070.19x = 8,764,672,878.78
  5. Step 5: Solve for x
    x = 8,764,672,878.78/107,070.19
  6. Step 6: Final answer
    x = 81,859.13

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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.