Home / 93,036.24-128,437.68-62,980.56

Finding the Fourth Proportional to 93,036.24, 128,437.68 and 62,980.56

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Solution

The fourth proportional to 93,036.24, 128,437.68 and 62,980.56 is: 86,945.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,036.24 : 128,437.68 = 62,980.56 : x
  2. Step 2: Convert to fraction form
    93,036.24/128,437.68 = 62,980.56/x
  3. Step 3: Cross multiply
    93,036.24x = 128,437.68 × 62,980.56
  4. Step 4: Simplify right side
    93,036.24x = 8,089,077,011.50
  5. Step 5: Solve for x
    x = 8,089,077,011.50/93,036.24
  6. Step 6: Final answer
    x = 86,945.44

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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.