Home / 94,689.32-130,718.57-58,890.87

Finding the Fourth Proportional to 94,689.32, 130,718.57 and 58,890.87

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Solution

The fourth proportional to 94,689.32, 130,718.57 and 58,890.87 is: 81,298.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,689.32 : 130,718.57 = 58,890.87 : x
  2. Step 2: Convert to fraction form
    94,689.32/130,718.57 = 58,890.87/x
  3. Step 3: Cross multiply
    94,689.32x = 130,718.57 × 58,890.87
  4. Step 4: Simplify right side
    94,689.32x = 7,698,130,018.00
  5. Step 5: Solve for x
    x = 7,698,130,018.00/94,689.32
  6. Step 6: Final answer
    x = 81,298.82

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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.