Home / 113,985.64-157,295.28-62,995.73

Finding the Fourth Proportional to 113,985.64, 157,295.28 and 62,995.73

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Solution

The fourth proportional to 113,985.64, 157,295.28 and 62,995.73 is: 86,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,985.64 : 157,295.28 = 62,995.73 : x
  2. Step 2: Convert to fraction form
    113,985.64/157,295.28 = 62,995.73/x
  3. Step 3: Cross multiply
    113,985.64x = 157,295.28 × 62,995.73
  4. Step 4: Simplify right side
    113,985.64x = 9,908,931,323.70
  5. Step 5: Solve for x
    x = 9,908,931,323.70/113,985.64
  6. Step 6: Final answer
    x = 86,931.40

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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.