Home / 101,457.04-152,204.68-31,319.94

Finding the Fourth Proportional to 101,457.04, 152,204.68 and 31,319.94

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Solution

The fourth proportional to 101,457.04, 152,204.68 and 31,319.94 is: 46,985.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,457.04 : 152,204.68 = 31,319.94 : x
  2. Step 2: Convert to fraction form
    101,457.04/152,204.68 = 31,319.94/x
  3. Step 3: Cross multiply
    101,457.04x = 152,204.68 × 31,319.94
  4. Step 4: Simplify right side
    101,457.04x = 4,767,041,445.32
  5. Step 5: Solve for x
    x = 4,767,041,445.32/101,457.04
  6. Step 6: Final answer
    x = 46,985.81

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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.