Home / 58,090.77-87,136.19-28,501.74

Finding the Fourth Proportional to 58,090.77, 87,136.19 and 28,501.74

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Solution

The fourth proportional to 58,090.77, 87,136.19 and 28,501.74 is: 42,752.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,090.77 : 87,136.19 = 28,501.74 : x
  2. Step 2: Convert to fraction form
    58,090.77/87,136.19 = 28,501.74/x
  3. Step 3: Cross multiply
    58,090.77x = 87,136.19 × 28,501.74
  4. Step 4: Simplify right side
    58,090.77x = 2,483,532,996.34
  5. Step 5: Solve for x
    x = 2,483,532,996.34/58,090.77
  6. Step 6: Final answer
    x = 42,752.63

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1.5x scale

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.