Home / 98,754.72-136,281.60-56,312.16

Finding the Fourth Proportional to 98,754.72, 136,281.60 and 56,312.16

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Solution

The fourth proportional to 98,754.72, 136,281.60 and 56,312.16 is: 77,710.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,754.72 : 136,281.60 = 56,312.16 : x
  2. Step 2: Convert to fraction form
    98,754.72/136,281.60 = 56,312.16/x
  3. Step 3: Cross multiply
    98,754.72x = 136,281.60 × 56,312.16
  4. Step 4: Simplify right side
    98,754.72x = 7,674,311,264.26
  5. Step 5: Solve for x
    x = 7,674,311,264.26/98,754.72
  6. Step 6: Final answer
    x = 77,710.83

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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.