Home / 115,850.18-159,886.71-70,554.71

Finding the Fourth Proportional to 115,850.18, 159,886.71 and 70,554.71

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Solution

The fourth proportional to 115,850.18, 159,886.71 and 70,554.71 is: 97,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,850.18 : 159,886.71 = 70,554.71 : x
  2. Step 2: Convert to fraction form
    115,850.18/159,886.71 = 70,554.71/x
  3. Step 3: Cross multiply
    115,850.18x = 159,886.71 × 70,554.71
  4. Step 4: Simplify right side
    115,850.18x = 11,280,759,657.47
  5. Step 5: Solve for x
    x = 11,280,759,657.47/115,850.18
  6. Step 6: Final answer
    x = 97,373.70

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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.