Home / 77,434.68-106,920.06-59,501.40

Finding the Fourth Proportional to 77,434.68, 106,920.06 and 59,501.40

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Solution

The fourth proportional to 77,434.68, 106,920.06 and 59,501.40 is: 82,158.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,434.68 : 106,920.06 = 59,501.40 : x
  2. Step 2: Convert to fraction form
    77,434.68/106,920.06 = 59,501.40/x
  3. Step 3: Cross multiply
    77,434.68x = 106,920.06 × 59,501.40
  4. Step 4: Simplify right side
    77,434.68x = 6,361,893,258.08
  5. Step 5: Solve for x
    x = 6,361,893,258.08/77,434.68
  6. Step 6: Final answer
    x = 82,158.19

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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.