Home / 107,133.10-147,854.28-59,395.68

Finding the Fourth Proportional to 107,133.10, 147,854.28 and 59,395.68

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Solution

The fourth proportional to 107,133.10, 147,854.28 and 59,395.68 is: 81,971.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,133.10 : 147,854.28 = 59,395.68 : x
  2. Step 2: Convert to fraction form
    107,133.10/147,854.28 = 59,395.68/x
  3. Step 3: Cross multiply
    107,133.10x = 147,854.28 × 59,395.68
  4. Step 4: Simplify right side
    107,133.10x = 8,781,905,501.51
  5. Step 5: Solve for x
    x = 8,781,905,501.51/107,133.10
  6. Step 6: Final answer
    x = 81,971.92

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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.