Home / 76,030.60-104,918-42,037.10

Finding the Fourth Proportional to 76,030.60, 104,918 and 42,037.10

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Solution

The fourth proportional to 76,030.60, 104,918 and 42,037.10 is: 58,008.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,030.60 : 104,918 = 42,037.10 : x
  2. Step 2: Convert to fraction form
    76,030.60/104,918 = 42,037.10/x
  3. Step 3: Cross multiply
    76,030.60x = 104,918 × 42,037.10
  4. Step 4: Simplify right side
    76,030.60x = 4,410,448,457.80
  5. Step 5: Solve for x
    x = 4,410,448,457.80/76,030.60
  6. Step 6: Final answer
    x = 58,008.86

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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.