Home / 93,038.74-128,441.13-62,983.06

Finding the Fourth Proportional to 93,038.74, 128,441.13 and 62,983.06

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Solution

The fourth proportional to 93,038.74, 128,441.13 and 62,983.06 is: 86,948.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,038.74 : 128,441.13 = 62,983.06 : x
  2. Step 2: Convert to fraction form
    93,038.74/128,441.13 = 62,983.06/x
  3. Step 3: Cross multiply
    93,038.74x = 128,441.13 × 62,983.06
  4. Step 4: Simplify right side
    93,038.74x = 8,089,615,397.26
  5. Step 5: Solve for x
    x = 8,089,615,397.26/93,038.74
  6. Step 6: Final answer
    x = 86,948.89

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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.