Home / 91,146.93-125,809.17-52,915.06

Finding the Fourth Proportional to 91,146.93, 125,809.17 and 52,915.06

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Solution

The fourth proportional to 91,146.93, 125,809.17 and 52,915.06 is: 73,038.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,146.93 : 125,809.17 = 52,915.06 : x
  2. Step 2: Convert to fraction form
    91,146.93/125,809.17 = 52,915.06/x
  3. Step 3: Cross multiply
    91,146.93x = 125,809.17 × 52,915.06
  4. Step 4: Simplify right side
    91,146.93x = 6,657,199,779.10
  5. Step 5: Solve for x
    x = 6,657,199,779.10/91,146.93
  6. Step 6: Final answer
    x = 73,038.11

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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.