Home / 93,316.87-128,779.29-50,875.69

Finding the Fourth Proportional to 93,316.87, 128,779.29 and 50,875.69

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Solution

The fourth proportional to 93,316.87, 128,779.29 and 50,875.69 is: 70,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,316.87 : 128,779.29 = 50,875.69 : x
  2. Step 2: Convert to fraction form
    93,316.87/128,779.29 = 50,875.69/x
  3. Step 3: Cross multiply
    93,316.87x = 128,779.29 × 50,875.69
  4. Step 4: Simplify right side
    93,316.87x = 6,551,735,236.46
  5. Step 5: Solve for x
    x = 6,551,735,236.46/93,316.87
  6. Step 6: Final answer
    x = 70,209.55

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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.