Home / 91,637.09-126,459.17-55,827.07

Finding the Fourth Proportional to 91,637.09, 126,459.17 and 55,827.07

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Solution

The fourth proportional to 91,637.09, 126,459.17 and 55,827.07 is: 77,041.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,637.09 : 126,459.17 = 55,827.07 : x
  2. Step 2: Convert to fraction form
    91,637.09/126,459.17 = 55,827.07/x
  3. Step 3: Cross multiply
    91,637.09x = 126,459.17 × 55,827.07
  4. Step 4: Simplify right side
    91,637.09x = 7,059,844,656.60
  5. Step 5: Solve for x
    x = 7,059,844,656.60/91,637.09
  6. Step 6: Final answer
    x = 77,041.35

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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.