Home / 91,547.48-126,313.74-55,737.08

Finding the Fourth Proportional to 91,547.48, 126,313.74 and 55,737.08

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Solution

The fourth proportional to 91,547.48, 126,313.74 and 55,737.08 is: 76,903.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,547.48 : 126,313.74 = 55,737.08 : x
  2. Step 2: Convert to fraction form
    91,547.48/126,313.74 = 55,737.08/x
  3. Step 3: Cross multiply
    91,547.48x = 126,313.74 × 55,737.08
  4. Step 4: Simplify right side
    91,547.48x = 7,040,359,031.48
  5. Step 5: Solve for x
    x = 7,040,359,031.48/91,547.48
  6. Step 6: Final answer
    x = 76,903.91

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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.