Home / 93,172.60-128,575.38-51,779.46

Finding the Fourth Proportional to 93,172.60, 128,575.38 and 51,779.46

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Solution

The fourth proportional to 93,172.60, 128,575.38 and 51,779.46 is: 71,454.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,172.60 : 128,575.38 = 51,779.46 : x
  2. Step 2: Convert to fraction form
    93,172.60/128,575.38 = 51,779.46/x
  3. Step 3: Cross multiply
    93,172.60x = 128,575.38 × 51,779.46
  4. Step 4: Simplify right side
    93,172.60x = 6,657,563,745.69
  5. Step 5: Solve for x
    x = 6,657,563,745.69/93,172.60
  6. Step 6: Final answer
    x = 71,454.09

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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.