Home / 93,038.16-128,396.04-53,301.84

Finding the Fourth Proportional to 93,038.16, 128,396.04 and 53,301.84

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Solution

The fourth proportional to 93,038.16, 128,396.04 and 53,301.84 is: 73,558.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,038.16 : 128,396.04 = 53,301.84 : x
  2. Step 2: Convert to fraction form
    93,038.16/128,396.04 = 53,301.84/x
  3. Step 3: Cross multiply
    93,038.16x = 128,396.04 × 53,301.84
  4. Step 4: Simplify right side
    93,038.16x = 6,843,745,180.71
  5. Step 5: Solve for x
    x = 6,843,745,180.71/93,038.16
  6. Step 6: Final answer
    x = 73,558.48

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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.