Home / 85,807.41-118,282.95-60,242.06

Finding the Fourth Proportional to 85,807.41, 118,282.95 and 60,242.06

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Solution

The fourth proportional to 85,807.41, 118,282.95 and 60,242.06 is: 83,041.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,807.41 : 118,282.95 = 60,242.06 : x
  2. Step 2: Convert to fraction form
    85,807.41/118,282.95 = 60,242.06/x
  3. Step 3: Cross multiply
    85,807.41x = 118,282.95 × 60,242.06
  4. Step 4: Simplify right side
    85,807.41x = 7,125,607,979.46
  5. Step 5: Solve for x
    x = 7,125,607,979.46/85,807.41
  6. Step 6: Final answer
    x = 83,041.87

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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.