Home / 72,918.04-109,377.06-56,302.24

Finding the Fourth Proportional to 72,918.04, 109,377.06 and 56,302.24

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Solution

The fourth proportional to 72,918.04, 109,377.06 and 56,302.24 is: 84,453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,918.04 : 109,377.06 = 56,302.24 : x
  2. Step 2: Convert to fraction form
    72,918.04/109,377.06 = 56,302.24/x
  3. Step 3: Cross multiply
    72,918.04x = 109,377.06 × 56,302.24
  4. Step 4: Simplify right side
    72,918.04x = 6,158,173,482.61
  5. Step 5: Solve for x
    x = 6,158,173,482.61/72,918.04
  6. Step 6: Final answer
    x = 84,453.36

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1.5x scale

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.