Home / 77,164.32-106,547.18-59,230.92

Finding the Fourth Proportional to 77,164.32, 106,547.18 and 59,230.92

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Solution

The fourth proportional to 77,164.32, 106,547.18 and 59,230.92 is: 81,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,164.32 : 106,547.18 = 59,230.92 : x
  2. Step 2: Convert to fraction form
    77,164.32/106,547.18 = 59,230.92/x
  3. Step 3: Cross multiply
    77,164.32x = 106,547.18 × 59,230.92
  4. Step 4: Simplify right side
    77,164.32x = 6,310,887,494.81
  5. Step 5: Solve for x
    x = 6,310,887,494.81/77,164.32
  6. Step 6: Final answer
    x = 81,785.05

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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.