Home / 75,117.02-103,661.57-43,285.10

Finding the Fourth Proportional to 75,117.02, 103,661.57 and 43,285.10

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Solution

The fourth proportional to 75,117.02, 103,661.57 and 43,285.10 is: 59,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,117.02 : 103,661.57 = 43,285.10 : x
  2. Step 2: Convert to fraction form
    75,117.02/103,661.57 = 43,285.10/x
  3. Step 3: Cross multiply
    75,117.02x = 103,661.57 × 43,285.10
  4. Step 4: Simplify right side
    75,117.02x = 4,487,001,013.51
  5. Step 5: Solve for x
    x = 4,487,001,013.51/75,117.02
  6. Step 6: Final answer
    x = 59,733.48

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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.