Home / 98,585.75-136,048.34-56,148.23

Finding the Fourth Proportional to 98,585.75, 136,048.34 and 56,148.23

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Solution

The fourth proportional to 98,585.75, 136,048.34 and 56,148.23 is: 77,484.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,585.75 : 136,048.34 = 56,148.23 : x
  2. Step 2: Convert to fraction form
    98,585.75/136,048.34 = 56,148.23/x
  3. Step 3: Cross multiply
    98,585.75x = 136,048.34 × 56,148.23
  4. Step 4: Simplify right side
    98,585.75x = 7,638,873,485.44
  5. Step 5: Solve for x
    x = 7,638,873,485.44/98,585.75
  6. Step 6: Final answer
    x = 77,484.56

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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.