Home / 104,368.47-156,424.40-48,130.50

Finding the Fourth Proportional to 104,368.47, 156,424.40 and 48,130.50

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Solution

The fourth proportional to 104,368.47, 156,424.40 and 48,130.50 is: 72,136.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,368.47 : 156,424.40 = 48,130.50 : x
  2. Step 2: Convert to fraction form
    104,368.47/156,424.40 = 48,130.50/x
  3. Step 3: Cross multiply
    104,368.47x = 156,424.40 × 48,130.50
  4. Step 4: Simplify right side
    104,368.47x = 7,528,785,110.63
  5. Step 5: Solve for x
    x = 7,528,785,110.63/104,368.47
  6. Step 6: Final answer
    x = 72,136.59

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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.