Home / 91,293.86-126,146.49-70,254.92

Finding the Fourth Proportional to 91,293.86, 126,146.49 and 70,254.92

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Solution

The fourth proportional to 91,293.86, 126,146.49 and 70,254.92 is: 97,075.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,293.86 : 126,146.49 = 70,254.92 : x
  2. Step 2: Convert to fraction form
    91,293.86/126,146.49 = 70,254.92/x
  3. Step 3: Cross multiply
    91,293.86x = 126,146.49 × 70,254.92
  4. Step 4: Simplify right side
    91,293.86x = 8,862,411,563.23
  5. Step 5: Solve for x
    x = 8,862,411,563.23/91,293.86
  6. Step 6: Final answer
    x = 97,075.66

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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.