Home / 98,866.29-136,434.70-53,543.23

Finding the Fourth Proportional to 98,866.29, 136,434.70 and 53,543.23

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Solution

The fourth proportional to 98,866.29, 136,434.70 and 53,543.23 is: 73,889.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,866.29 : 136,434.70 = 53,543.23 : x
  2. Step 2: Convert to fraction form
    98,866.29/136,434.70 = 53,543.23/x
  3. Step 3: Cross multiply
    98,866.29x = 136,434.70 × 53,543.23
  4. Step 4: Simplify right side
    98,866.29x = 7,305,153,946.74
  5. Step 5: Solve for x
    x = 7,305,153,946.74/98,866.29
  6. Step 6: Final answer
    x = 73,889.23

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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.