Home / 109,430.02-151,013.19-59,129.02

Finding the Fourth Proportional to 109,430.02, 151,013.19 and 59,129.02

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Solution

The fourth proportional to 109,430.02, 151,013.19 and 59,129.02 is: 81,597.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,430.02 : 151,013.19 = 59,129.02 : x
  2. Step 2: Convert to fraction form
    109,430.02/151,013.19 = 59,129.02/x
  3. Step 3: Cross multiply
    109,430.02x = 151,013.19 × 59,129.02
  4. Step 4: Simplify right side
    109,430.02x = 8,929,261,931.77
  5. Step 5: Solve for x
    x = 8,929,261,931.77/109,430.02
  6. Step 6: Final answer
    x = 81,597.92

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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.