Home / 75,479.59-113,058.18-57,510.55

Finding the Fourth Proportional to 75,479.59, 113,058.18 and 57,510.55

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Solution

The fourth proportional to 75,479.59, 113,058.18 and 57,510.55 is: 86,143.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,479.59 : 113,058.18 = 57,510.55 : x
  2. Step 2: Convert to fraction form
    75,479.59/113,058.18 = 57,510.55/x
  3. Step 3: Cross multiply
    75,479.59x = 113,058.18 × 57,510.55
  4. Step 4: Simplify right side
    75,479.59x = 6,502,038,113.80
  5. Step 5: Solve for x
    x = 6,502,038,113.80/75,479.59
  6. Step 6: Final answer
    x = 86,143.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.