Home / 86,510.53-119,392.88-52,511.18

Finding the Fourth Proportional to 86,510.53, 119,392.88 and 52,511.18

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Solution

The fourth proportional to 86,510.53, 119,392.88 and 52,511.18 is: 72,470.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,510.53 : 119,392.88 = 52,511.18 : x
  2. Step 2: Convert to fraction form
    86,510.53/119,392.88 = 52,511.18/x
  3. Step 3: Cross multiply
    86,510.53x = 119,392.88 × 52,511.18
  4. Step 4: Simplify right side
    86,510.53x = 6,269,461,012.40
  5. Step 5: Solve for x
    x = 6,269,461,012.40/86,510.53
  6. Step 6: Final answer
    x = 72,470.50

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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.