Home / 104,875.36-144,681.89-70,871.45

Finding the Fourth Proportional to 104,875.36, 144,681.89 and 70,871.45

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Solution

The fourth proportional to 104,875.36, 144,681.89 and 70,871.45 is: 97,771.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,875.36 : 144,681.89 = 70,871.45 : x
  2. Step 2: Convert to fraction form
    104,875.36/144,681.89 = 70,871.45/x
  3. Step 3: Cross multiply
    104,875.36x = 144,681.89 × 70,871.45
  4. Step 4: Simplify right side
    104,875.36x = 10,253,814,255.27
  5. Step 5: Solve for x
    x = 10,253,814,255.27/104,875.36
  6. Step 6: Final answer
    x = 97,771.44

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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.