Home / 93,220.47-128,646.24-50,778.91

Finding the Fourth Proportional to 93,220.47, 128,646.24 and 50,778.91

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Solution

The fourth proportional to 93,220.47, 128,646.24 and 50,778.91 is: 70,075.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,220.47 : 128,646.24 = 50,778.91 : x
  2. Step 2: Convert to fraction form
    93,220.47/128,646.24 = 50,778.91/x
  3. Step 3: Cross multiply
    93,220.47x = 128,646.24 × 50,778.91
  4. Step 4: Simplify right side
    93,220.47x = 6,532,515,588.90
  5. Step 5: Solve for x
    x = 6,532,515,588.90/93,220.47
  6. Step 6: Final answer
    x = 70,075.98

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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.