Home / 86,946.48-130,419.72-47,482.07

Finding the Fourth Proportional to 86,946.48, 130,419.72 and 47,482.07

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Solution

The fourth proportional to 86,946.48, 130,419.72 and 47,482.07 is: 71,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,946.48 : 130,419.72 = 47,482.07 : x
  2. Step 2: Convert to fraction form
    86,946.48/130,419.72 = 47,482.07/x
  3. Step 3: Cross multiply
    86,946.48x = 130,419.72 × 47,482.07
  4. Step 4: Simplify right side
    86,946.48x = 6,192,597,622.32
  5. Step 5: Solve for x
    x = 6,192,597,622.32/86,946.48
  6. Step 6: Final answer
    x = 71,223.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.