Home / 86,601.40-119,532.54-56,461.48

Finding the Fourth Proportional to 86,601.40, 119,532.54 and 56,461.48

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Solution

The fourth proportional to 86,601.40, 119,532.54 and 56,461.48 is: 77,931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,601.40 : 119,532.54 = 56,461.48 : x
  2. Step 2: Convert to fraction form
    86,601.40/119,532.54 = 56,461.48/x
  3. Step 3: Cross multiply
    86,601.40x = 119,532.54 × 56,461.48
  4. Step 4: Simplify right side
    86,601.40x = 6,748,984,116.56
  5. Step 5: Solve for x
    x = 6,748,984,116.56/86,601.40
  6. Step 6: Final answer
    x = 77,931.58

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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.