Home / 106,903.02-147,541.74-61,572.18

Finding the Fourth Proportional to 106,903.02, 147,541.74 and 61,572.18

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Solution

The fourth proportional to 106,903.02, 147,541.74 and 61,572.18 is: 84,978.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,903.02 : 147,541.74 = 61,572.18 : x
  2. Step 2: Convert to fraction form
    106,903.02/147,541.74 = 61,572.18/x
  3. Step 3: Cross multiply
    106,903.02x = 147,541.74 × 61,572.18
  4. Step 4: Simplify right side
    106,903.02x = 9,084,466,572.79
  5. Step 5: Solve for x
    x = 9,084,466,572.79/106,903.02
  6. Step 6: Final answer
    x = 84,978.58

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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.