Home / 111,263.78-153,543.02-60,275.36

Finding the Fourth Proportional to 111,263.78, 153,543.02 and 60,275.36

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Solution

The fourth proportional to 111,263.78, 153,543.02 and 60,275.36 is: 83,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,263.78 : 153,543.02 = 60,275.36 : x
  2. Step 2: Convert to fraction form
    111,263.78/153,543.02 = 60,275.36/x
  3. Step 3: Cross multiply
    111,263.78x = 153,543.02 × 60,275.36
  4. Step 4: Simplify right side
    111,263.78x = 9,254,860,805.99
  5. Step 5: Solve for x
    x = 9,254,860,805.99/111,263.78
  6. Step 6: Final answer
    x = 83,179.46

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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.