Home / 112,705.13-155,533.02-62,404.13

Finding the Fourth Proportional to 112,705.13, 155,533.02 and 62,404.13

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Solution

The fourth proportional to 112,705.13, 155,533.02 and 62,404.13 is: 86,117.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,705.13 : 155,533.02 = 62,404.13 : x
  2. Step 2: Convert to fraction form
    112,705.13/155,533.02 = 62,404.13/x
  3. Step 3: Cross multiply
    112,705.13x = 155,533.02 × 62,404.13
  4. Step 4: Simplify right side
    112,705.13x = 9,705,902,799.37
  5. Step 5: Solve for x
    x = 9,705,902,799.37/112,705.13
  6. Step 6: Final answer
    x = 86,117.67

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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.