Home / 62,421.04-86,141.01-34,126.72

Finding the Fourth Proportional to 62,421.04, 86,141.01 and 34,126.72

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Solution

The fourth proportional to 62,421.04, 86,141.01 and 34,126.72 is: 47,094.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,421.04 : 86,141.01 = 34,126.72 : x
  2. Step 2: Convert to fraction form
    62,421.04/86,141.01 = 34,126.72/x
  3. Step 3: Cross multiply
    62,421.04x = 86,141.01 × 34,126.72
  4. Step 4: Simplify right side
    62,421.04x = 2,939,710,128.79
  5. Step 5: Solve for x
    x = 2,939,710,128.79/62,421.04
  6. Step 6: Final answer
    x = 47,094.86

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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.