Home / 79,210.04-109,310.80-45,223.16

Finding the Fourth Proportional to 79,210.04, 109,310.80 and 45,223.16

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Solution

The fourth proportional to 79,210.04, 109,310.80 and 45,223.16 is: 62,408.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,210.04 : 109,310.80 = 45,223.16 : x
  2. Step 2: Convert to fraction form
    79,210.04/109,310.80 = 45,223.16/x
  3. Step 3: Cross multiply
    79,210.04x = 109,310.80 × 45,223.16
  4. Step 4: Simplify right side
    79,210.04x = 4,943,379,798.13
  5. Step 5: Solve for x
    x = 4,943,379,798.13/79,210.04
  6. Step 6: Final answer
    x = 62,408.50

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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.