Home / 97,829.02-135,004.11-55,387.60

Finding the Fourth Proportional to 97,829.02, 135,004.11 and 55,387.60

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Solution

The fourth proportional to 97,829.02, 135,004.11 and 55,387.60 is: 76,434.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,829.02 : 135,004.11 = 55,387.60 : x
  2. Step 2: Convert to fraction form
    97,829.02/135,004.11 = 55,387.60/x
  3. Step 3: Cross multiply
    97,829.02x = 135,004.11 × 55,387.60
  4. Step 4: Simplify right side
    97,829.02x = 7,477,553,643.04
  5. Step 5: Solve for x
    x = 7,477,553,643.04/97,829.02
  6. Step 6: Final answer
    x = 76,434.92

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1.5x scale

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.