Home / 88,013.02-121,426.06-57,814.60

Finding the Fourth Proportional to 88,013.02, 121,426.06 and 57,814.60

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Solution

The fourth proportional to 88,013.02, 121,426.06 and 57,814.60 is: 79,763.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,013.02 : 121,426.06 = 57,814.60 : x
  2. Step 2: Convert to fraction form
    88,013.02/121,426.06 = 57,814.60/x
  3. Step 3: Cross multiply
    88,013.02x = 121,426.06 × 57,814.60
  4. Step 4: Simplify right side
    88,013.02x = 7,020,199,088.48
  5. Step 5: Solve for x
    x = 7,020,199,088.48/88,013.02
  6. Step 6: Final answer
    x = 79,763.19

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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.